Home / 35,946.40-53,921.20-13,770.40

Finding the Fourth Proportional to 35,946.40, 53,921.20 and 13,770.40

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Solution

The fourth proportional to 35,946.40, 53,921.20 and 13,770.40 is: 20,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,946.40 : 53,921.20 = 13,770.40 : x
  2. Step 2: Convert to fraction form
    35,946.40/53,921.20 = 13,770.40/x
  3. Step 3: Cross multiply
    35,946.40x = 53,921.20 × 13,770.40
  4. Step 4: Simplify right side
    35,946.40x = 742,516,492.48
  5. Step 5: Solve for x
    x = 742,516,492.48/35,946.40
  6. Step 6: Final answer
    x = 20,656.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.